04、RocketMQ实战：Broker配置文件详解-程序员快看-教程，程序员编程资料站

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# broker所属集群的名称
brokerClusterName = DefaultCluster

# broker的名称
brokerName = broker-a

# broker的ID, 0表示Master，非0表示Slave
brokerId = 0

# 删除文件时间点,默认是凌晨4点
deleteWhen = 04

# 文件保留时间,默认保留48小时
fileReservedTime = 48

# broker的角色
# ASYNC_MASTER: 异步复制Master
# SYNC_MASTER: 同步双写Master
# SLAVE: slave
brokerRole = ASYNC_MASTER

# 刷盘方式
# ASYNC_FLUSH: 异步刷盘
# SYNC_FLUSH: 同步刷盘
flushDiskType = ASYNC_FLUSH

# NameServer的地址，如果有多个的话，使用分号分隔开
namesrvAddr=10.0.90.59:9876

# 当前broker监听的IP地址
brokerIP1=10.0.90.59

# 在发送消息时，自动创建服务器不存在的topic，默认创建4个队列 
defaultTopicQueueNums=4

# 是否允许broker自动创建Topic
autoCreateTopicEnable=true

#是否允许broker自动创建订阅组
autoCreateSubscriptionGroup=true

# broker对外服务的监听端口 
listenPort=10911

# 每个commitLog文件的大小默认是1G
mapedFileSizeCommitLog=1073741824

# ConsumeQueue每个文件默认存30W条
mapedFileSizeConsumeQueue=300000

# store的存储路径
storePathRootDir=/rocketmq/rocketmq-4.9.2/store

# commitLog的存储路径 
storePathCommitLog=/rocketmq/rocketmq-4.9.2/store/commitlog

# 消费队列的存储路径
storePathConsumeQueue=/rocketmq/rocketmq-4.9.2/store/consumequeue

# 消息索引的存储路径
storePathIndex=/rocketmq/rocketmq-4.9.2/store/index

# checkpoint文件的存储路径
storeCheckpoint=/rocketmq/rocketmq-4.9.2/store/checkpoint

# abort文件的存储路径
abortFile=/rocketmq/rocketmq-4.9.2/store/abort

# 限制的消息大小,默认为4M 
maxMessageSize=65536

# 检测物理文件磁盘空间
diskMaxUsedSpaceRatio=75